DNA analysis reveals the big, flightless moa birds ate — and pooped out — 13 kinds of fungi, including ones crucial for New Zealand’s forest ecosystem.

Along the long road from American icon to endangered species and back again, the bald eagle — national bird of the United ...

Some paleontologists think that fossils recovered from Antarctica are evidence of birds similar to modern geese and ducks ...

Researchers have discovered that massive beaks and strong bites hinder the velocity of beak movement in songbirds. The ...

A 68-million-year-old skull fossil found in Antarctica has revealed the oldest known modern bird, which was likely related to ...